もっと早く教えて欲しかった画面遷移

Transcript

1. ΋ͬͱૣ͘ڭ͑ͯཉ͔ͬͨ͠ը໘ભҠ 1/22 ͋Δ͋ΔLTʙεϚϗΞϓϦ։ൃΤϯδχΞʙ Vol.2 PKPK-Carnage 1
2. About me • iOSྺ2೥ͪΐͬͱ • Qiita → @PKPK-Carnage • Github → PKPK-Carnage • Twitter → @PKPK-Carnage
3. ը໘ભҠͬͯͲ͏΍ͬͯ·͔͢ʁ 3
4. ηάΤ vs ίʔυ 4
5. ηάΤ 5
6. Hoge͔ΒFugaʹભҠͯ͠ɺ Fuga͔ΒPiyoʹભҠͯ͠ɾɾɾ 6
9. 9 extension HogeViewController { @IBAction private func didTapFugaButton(_ sender: UIButton) { self.performSegue(withIdentifier: "showFuga", sender: sender.tag) } override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let vc = segue.destination as? FugaViewController { if let value = sender as? Int { vc.value = value } } } }
10. ͋ͷը໘͔Β͸௚઀ͦͷը໘ʹભҠͯ͠ɺ ͦͷը໘͔Β͸3छྨͷը໘ʹભҠͯ͠ɾɾɾ 10
13. 13 extension HogeViewController { @IBAction private func didTapFugaButton(_ sender: UIButton) { self.performSegue(withIdentifier: "showFuga", sender: sender.tag) } override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let vc = segue.destination as? FugaViewController { if let value = sender as? Int { vc.value = value } } } }
14. 14 extension HogeViewController { @IBAction private func didTapFugaButton(_ sender: UIButton) { self.performSegue(withIdentifier: "showFuga", sender: sender.tag) } @IBAction private func didTapPiyoButton(_ sender: UIButton) { self.performSegue(withIdentifier: "showPiyo", sender: sender.currentTitle) } override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let vc = segue.destination as? FugaViewController { if let value = sender as? Int { vc.value = value } } else if let vc = segue.destination as? PiyoViewController { if let value = sender as? String { vc.value = value } } } }
15. ! 15
16. (PPE #BE • ભҠΛࢹ֮తʹݟΕΔ • ؆୯ʹ࣮૷Ͱ͖Δ 22 • ը໘਺͕૿͑ΔͱΧΦε • ίϯϑϦΫτͰઈ๬͢Δ • identifierͰભҠઌΛࢦఆ͠ͳ͚ Ε͹ͳΒͳ͍ • prepareϝιου͕ѻ͍ͮΒ͍
17. ίʔυ 23
18. 24 extension HogeViewController { @IBAction private func didTapFugaButton(_ sender: UIButton) { self.performSegue(withIdentifier: "showFuga", sender: sender.tag) } }
19. 25 extension HogeViewController { @IBAction private func didTapFugaButton(_ sender: UIButton) { let vc = FugaViewController(nibName: "FugaViewController", bundle: .main) vc.value = sender.tag self.navigationController?.pushViewController(vc, animated: true) } }
20. (PPE #BE • ஋౉ָ͕͠ʹͰ͖Δ • ίϯϑϦΫτͯ͠΋௚͠΍͍͢ • segueΑΓ҆৺ 32 • ભҠΛࢹ֮తʹݟΕͳ͘ͳΔ • Ͳͷը໘ʹભҠ͢Δ͔೺Ѳ͢Δ ͷ͕େม • ॲཧΛॻ͘ͷ͕໘౗
21. " 34
22. protocol + extensitonͰղܾ͢Δ 35
23. ભҠ͢ΔͨΊͷprotocolΛ࡞Δ 36 protocol FugaTransitable: class { func transitToFuga(value: Int) } extension FugaTransitable where Self: UIViewController { func transitToFuga(value: Int) { let vc = FugaViewController(nibName: "FugaViewController", bundle: .main) vc.value = value self.navigationController?.pushViewController(vc, animated: true) } }
24. protocolΛద༻͢Δ 37 extension HogeViewController: FugaTransitable { @IBAction private func didTapFugaButton(_ sender: UIButton) { self.transitToFuga(value: sender.tag) } }
25. ભҠͷprotocolΛ௥Ճ͍ͯ͘͠ 38 extension HogeViewController: FugaTransitable, PiyoTransitable { @IBAction private func didTapFugaButton(_ sender: UIButton) { self.transitToFuga(value: sender.tag) } }
26. (PPE #BE • ஋౉ָ͕͠ʹͰ͖Δ • ίϯϑϦΫτͯ͠΋௚͠΍͍͢ • segueΑΓ҆৺ • ࣮૷͞Ε͍ͯΔprotocolͰભҠઌ ͕Θ͔Δ • ॲཧΛॻ͘ͷָ͕ 42 #
27. ·ͱΊ • iOSͰը໘ભҠ͸ηάΤͱίʔυͷ2ύλʔϯ͋Δ • ͦΕͧΕϝϦοτͱσϝϦοτ͕͋Δ • protocolͱextensionΛۦ࢖͢Ε͹ίʔυͰͷσϝϦοτΛഉ আͰ͖Δ • ͜ͷ΍ΓํΛ஌ͬͨ࣌ʹ΋ͬͱૣ͘஌Γ͔ͨͬͨͱࢥͬͨ 47
28. ͓ΘΓ 48